Iran has suspended its cooperation with the International Atomic Energy Agency (IAEA), a step that has ignited international ...

The security architecture dissuading countries from growing and pursuing their own nuclear weapons is collapsing.

U.S. and Israeli strikes delivered major damage to Iran's nuclear program, setting it back years, though analysts caution ...

How an atomic weapon is built, and what the recent Israeli and U.S. attacks on Iran may mean for the country’s nuclear ambitions.

The deep penetrating bombs that the U.S. dropped into two Iranian nuclear facilities were designed specifically for those ...

Seven B-2 stealth aircraft dropped a total of 14 GBU-57 bunker-buster bombs on Iranian nuclear sites last weekend.

Russia said the use of a tactical nuclear weapon by the U.S. in Iran would be "catastrophic" after a report that it had not ...

President Trump’s claimed Iran’s capabilities were “obliterated.” The full extent of the damage is still emerging.

When an atom breaks apart, it gives out energy and more neutrons, which can then split other atoms. Get enough atoms splitting and you have the chain reaction needed for a bomb blast ...

Einstein never worked directly on developing the world’s first atomic bomb for the United States, but its shadow loomed over ...